K so on the Tb example, tb has had an assboatload of glitches over the years, there was the period where the only DM you could have in classic.tbm was 100 (WRECKED WUSHU until they found the sambo trick), when non-static servers happened there were people who would go into a server and suddenly have ops, and there are countless others that I am probably forgetting.
Glitches and flaws are part of development. Not only that, but graphics pop in HAS TO GODDAMNED HAPPEN unless you want to have to plan your day around the game goddanmed starting. This idea that deadlines are ruining the games industry is stupid, the only people who get to do these retardedly long development cycles are valve and blizzard, and that's because they shit gold and piss diamonds.